Lumsden, G., & Lumsden, D. L. (2003). Communicating with credibility and confidence: Diverse people, diverse settings (2nd ed.). Thomson/Wadsworth.
Citace podle Chicago (17th ed.)Lumsden, Gay, a Donald L. Lumsden. Communicating with Credibility and Confidence: Diverse People, Diverse Settings. 2nd ed. Australia: Thomson/Wadsworth, 2003.
Citace podle MLA (9th ed.)Lumsden, Gay, a Donald L. Lumsden. Communicating with Credibility and Confidence: Diverse People, Diverse Settings. 2nd ed. Thomson/Wadsworth, 2003.
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